解题技巧：
　　这类考题中，代词通常都是指代前面句中已经提到过的人或物或事。解题的关键在于，理解本句中对代词的阐述，或代词在句中所具有的各种施动和逻辑关系，然后与前面的句子或再前面的句子对比，确定指代内容。
　　练习：来源：www.examda.com
　　..The reality that has blocked my path to become the typical successful students is that engineering and the liberal arts simply don’t mix as easily as I assumed in high school. Individually they shape a person in very different ways; together they threaten to confuse. The struggle to reconcile the two fields of study is difficult…
　　Q:The word “they” refers to _____.
　　A. practicality and rationality
　　B. engineering and the liberal arts
　　C. reality and noble ideals
　　D. flexibility and a value system
　　答案 选B
　　they指至少两个以上的人或事物。寻找前面句中存在的某两个或以上的人或事物。由前一句中的mix可知，句中的engineering和the liberal arts是两个不同的科目。所以they指代的就是B。
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